CN112986739B - Full-automatic pneumatic control electromagnetic compatibility auxiliary test system and method - Google Patents
Full-automatic pneumatic control electromagnetic compatibility auxiliary test system and method Download PDFInfo
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- CN112986739B CN112986739B CN202110260128.1A CN202110260128A CN112986739B CN 112986739 B CN112986739 B CN 112986739B CN 202110260128 A CN202110260128 A CN 202110260128A CN 112986739 B CN112986739 B CN 112986739B
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- 238000012360 testing method Methods 0.000 title claims abstract description 72
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- 238000002955 isolation Methods 0.000 claims abstract description 23
- 238000004088 simulation Methods 0.000 claims abstract description 3
- 230000009471 action Effects 0.000 claims description 9
- 230000001737 promoting effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 14
- 230000001276 controlling effect Effects 0.000 description 11
- 210000003437 trachea Anatomy 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000011664 nicotinic acid Substances 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- 230000001105 regulatory effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/001—Measuring interference from external sources to, or emission from, the device under test, e.g. EMC, EMI, EMP or ESD testing
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Abstract
An electromagnetic compatibility auxiliary test system and method for full-automatic pneumatic control relate to the field of electromagnetic compatibility test. The device comprises a pressing device, an air pipe, an electromagnetic isolation chamber and a control device, wherein the pressing device is positioned in the electromagnetic isolation chamber, one end of the air pipe is connected with the pressing device, the other end of the air pipe penetrates through the electromagnetic isolation chamber and is connected with the control device, the control device is further provided with a working pump which is used for providing air pressure pulses to be transmitted through the air pipe and act on the pressing device and negative pressure to enable the pressing device to reset, and the control device controls the time and frequency of the air pressure pulses to realize multiple/multiple groups of simulation switches. The invention is remote passive control, and can realize the effects of releasing manpower and fully-automatic auxiliary test for the project which needs to be tested for a long time in partial electromagnetic compatibility test, such as surge test; and the key is convenient to replace, and the key touching requirements of different tested devices can be met.
Description
Technical Field
The invention relates to the field of electromagnetic compatibility testing, in particular to a full-automatic pneumatic control electromagnetic compatibility auxiliary testing system and method.
Background
In electromagnetic compatibility project test, for example, radiation and radiation immunity, a tested device requiring manual control of key operation considers the influence of a person operating the tested device and the harm of the test itself to the person, if the tested device is operated in a similar way by using a manipulator, the high-frequency distribution parameters of the tested device are influenced by the mechanical and metal components, and meanwhile, the introduction of the corresponding electric channels itself can cause interference to the normal test of electromagnetic compatibility and destroy the test model regulated by the electromagnetic compatibility standard, so the problem also becomes an important problem in terms of feasibility and correctness which always puzzles the electromagnetic compatibility test industry. The invention provides a set of testing system and method, which can completely replace manual control, greatly realize the convenience of testing, and simultaneously avoid the interference of electromagnetic compatibility possibly brought to the greatest extent. In addition, for the project that needs to test for a long time in the partial electromagnetic compatibility test and the project that need not to test in the shielding room, such as surge test, the project can then realize liberating the manpower, full-automatic auxiliary test's effect.
Disclosure of Invention
The invention aims to overcome at least one defect (deficiency) of the prior art, and provides a full-automatic pneumatic control electromagnetic compatibility auxiliary test system and method, which are used for replacing manual control, realizing remote passive control of tested equipment in electromagnetic compatibility test, and ensuring the accuracy and repeatability of the electromagnetic compatibility test to the greatest extent.
The technical proposal adopted by the invention is that,
the utility model provides a full-automatic pneumatic control's electromagnetic compatibility auxiliary test system for press the test to the equipment under test, including pressing device, trachea, electromagnetic isolation room, controlling means, pressing device is located in the electromagnetic isolation room, trachea one end is connected pressing device, the trachea other end pierces the electromagnetic isolation room and connects controlling means, controlling means still is equipped with the working pump, is used for providing the atmospheric pressure pulse and passes through the trachea transmission and acts on pressing device and negative pressure make pressing device resets, controlling means is through control atmospheric pressure pulse time and frequency, realizes multiple/multiunit emulation switch.
In order to avoid electromagnetic interference, the system provided by the invention is additionally provided with an electromagnetic isolation chamber, hardly generates any electromagnetic interference in the auxiliary test process of the electromagnetic compatibility test, and also cannot be subjected to the electromagnetic interference, thereby ensuring the accuracy and the repeatability of the electromagnetic compatibility test to the greatest extent; meanwhile, considering the existing electronic switch characteristic test, such as quick double-click, multi-key operation and touch screen operation, the requirements on the pressing frequency, speed and strength are met, so that the pressing device is connected with the tail end of the air channel, pulse air pressure is selected as a dynamic source, the action of the pressing device is controlled through the pressure inside the air channel, and the pressure regulation inside the air channel is realized by the control circuit part; the flexibility of the pressing device is improved, the air supply source of the air pump can be used as power by using the embodiment of the invention, the action of the pressing device is accurately achieved through the control circuit and the air path part, and the tested equipment in the remote passive control electromagnetic compatibility test is realized.
As a preferred embodiment, the working pump is provided with a pulse piece, the air pipe is provided with a pulse channel, the front end of the pulse channel is movably connected with the pressing device, the pulse channel is provided with the pulse piece, and the pulse piece is at a certain distance from the rear end of the pressing device.
On the basis of selecting a pulse power source device, the invention is provided with a more specific pulse device, the rear end of the pulse piece is a channel for controlling the pressure by the control device, the channel at the front end is a pulse channel, when the rear end of the pulse piece is set to be positive pressure, the pulse piece impacts forwards, the middle reset piece and the pressing device are pushed to press forwards, and the forward pressing of the system is realized.
Further, the working pump is provided with a reset piece, the reset piece is a spring, the reset piece is arranged between the pulse piece and the pressing device, one end of the reset piece is fixedly connected with the pressing device, the other end of the reset piece is a free movable end, and/or the pulse piece is of a bullet structure.
According to the invention, after forward pressing is realized, the quick return of the pulse piece, the reset piece and the pressing device is considered, so that the reset piece is provided with the spring, and the spring can further reversely act on the return of the pulse piece through the characteristic of the spring when the pressing device returns, so that the quick return effect is realized, meanwhile, the spring can further shorten the acting distance and time of the pulse piece, reduce the work of pulse air pressure and improve the overall power and efficiency of the system.
As a preferred embodiment, the air tube is provided with a reset channel, to which the working pump applies a continuous negative pressure for resetting the pulsed pressing device.
The invention is also provided with the negative pressure environment of the resetting device on the basis of matching the pressing device and the pulse dynamic source device, and the negative pressure environment can be a constant negative pressure environment, so that the pressing device can rebound rapidly, and the pressing operation is more consistent as a whole; the device for rebound or reset of the negative pressure effect is further designed according to the negative pressure effect, is a channel with a negative pressure environment, and is connected with the pressing device, so that after the forward pulse is switched, the rebound can be carried out according to the negative pressure effect.
Further, a deformation part is arranged on one side of the reset channel, which is close to the pressing device.
On the basis of resetting the channel provided with the negative pressure environment, the deformation part is further added on the channel, and the flexibility of the channel in deformation caused by displacement of the pressing device is increased.
As a preferred embodiment, the working pump is provided with an air valve positioned on the air pipe and an air pump connected with the air pipe, the air valve is connected with the control device, and the control device controls the air valve, the pulse air pressure provided by the air pump to the pulse channel and the negative pressure provided to the reset channel.
The invention further increases the device-air valve for controlling the air pipe by the control device on the basis of selecting the pulse air pressure dynamic source device, wherein the control of the air valve comprises the control of the pulse channel and the control of the negative pressure channel, and the control of the negative pressure channel can be that the air pressure of the negative pressure channel is set at the beginning of the test to be communicated with the negative air pressure of the air pump device or the constant negative pressure source is connected; the control of the pulse channel can be a double-flow valve type valve control, namely, the control device controls the positive pressure air pressure source and the negative pressure air pressure source to provide pulse air pressure, or a cut-off valve, namely, the pulse channel is communicated with the positive pressure air pressure source, the control device controls whether the positive pressure air pressure source is intervened or the air pressure of the current channel is switched to be 0, and the 0 indicates that the positive pressure air pressure source is not connected or the external environment is connected.
As a preferred implementation scheme, still include the support frame, be used for supporting the trachea, the support frame is located in the isolation chamber, the support frame is equipped with lift pole, dead lever, fastening screw, fixed orifices and support base, lift pole with the dead lever is laid on the support base, the dead lever is equipped with the fixed orifices, the dead lever is hollow design, the lifter with the hollow structure swing joint of dead lever is used for realizing the altitude mixture control of lifter, fastening screw with the fixed orifices is used for fixed lift pole's position.
As a preferred embodiment, an inward protruding limiting device is arranged in the pulse channel, and the limiting device is used for limiting the resetting distance of the pulse piece.
A test method using a fully automatic pneumatically controlled electromagnetic compatibility auxiliary test system according to any one of claims 1-4, comprising the steps of:
step S1: the tested equipment is placed in the isolation chamber, and the position of the pressing device and the height of the air pipe are adjusted.
Step S2: the isolation chamber is sealed, and the air pump is started by the control device.
Step S3: the control device adjusts the positive pressure and the negative pressure of the air pipe through controlling the switch of the air valve to form the pulse air pressure of the pulse channel and the negative pressure of the reset channel, and the key pressing is realized under the impact of the pulse air pressure through the pulse piece.
Further, in step S3, after the pressing test is started, when the control device sets the rear end channel of the pulse member to be positive pressure, the pulse member pushes the reset member forward, the pressing device overcomes the negative pressure effect of the reset channel to press forward by the aid of the actuation and negative pressure, the deformation part deforms at the same time, after the pressing is finished, the control device sets the pressure of the rear end channel of the pulse member to be 0 or negative pressure environment, the pulse member returns, the reset channel provides continuous negative pressure effect, the pressing device drives the reset member to reset and drives the pulse member to reset until the pressing device abuts against the port of the pulse channel, the spring reforms a free end, and the pulse member returns to the initial position and is prepared for the next pressing.
The method further exemplarily illustrates the working flow of the system designed by the invention, is different from a common air pressure control device, further increases a continuous negative pressure source, provides a quick and timely resetting method, and simultaneously, can further set the intensity difference between the pulse air pressure and the air pressure by combining the action of the pulse air pressure, provides a method with proper strength and intelligent bionic touch control, and can be expanded to various devices to realize intelligent test by applying the method.
Compared with the prior art, the invention has the following advantages:
1. remote passive control, no electromagnetic interference: in the auxiliary test process of the electromagnetic compatibility test, almost no electromagnetic interference is generated, the electromagnetic interference is avoided, and the accuracy and the repeatability of the test are ensured to the greatest extent;
2. the test is more intelligent, the test efficiency is improved, and for the projects which need to be tested for a long time in partial electromagnetic compatibility test, such as surge test, the scheme can realize the effect of releasing manpower and fully-automatic auxiliary test;
3. the key is convenient to replace, and a proper scheme can be customized according to the touch key requirements of different tested devices, so that the device is simple, convenient and quick.
Drawings
Fig. 1 is a structural diagram of the present invention.
Fig. 2 is a connection structure diagram of the pressing device of the present invention.
Fig. 3 is a structural diagram of the present invention.
FIG. 4 is a diagram showing a control device connection structure of the present invention
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the invention. For better illustration of the following embodiments, some parts of the drawings may be omitted, enlarged or reduced, and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted.
Example 1
As shown in fig. 1, a fully-automatic pneumatic control electromagnetic compatibility auxiliary test system is used for performing a pressing test on tested equipment and comprises a pressing device 1, an air pipe 2, an electromagnetic isolation chamber 3 and a control device 4, wherein the pressing device 1 is positioned in the electromagnetic isolation chamber 3, one end of the air pipe 2 is connected with the pressing device 1, the other end of the air pipe 1 penetrates through the electromagnetic isolation chamber 3 and is connected with the control device 4, the control device 4 is further provided with a working pump, and the working pump is used for providing air pressure pulses to be transmitted through the air pipe 2 and acts on the pressing device 1 and negative pressure to reset the pressing device 1, and the control device 4 realizes multiple/multiple groups of simulation switches by controlling air pressure pulse time and frequency.
In order to avoid electromagnetic interference, the system provided by the invention is additionally provided with an electromagnetic isolation chamber, hardly generates any electromagnetic interference in the auxiliary test process of the electromagnetic compatibility test, and also cannot be subjected to the electromagnetic interference, thereby ensuring the accuracy and the repeatability of the electromagnetic compatibility test to the greatest extent; meanwhile, considering the existing electronic switch characteristic test, such as quick double-click, multi-key operation and touch screen operation, the requirements on the pressing frequency, speed and strength are met, so that the pressing device is connected with the tail end of the air channel, pulse air pressure is selected as a dynamic source, the action of the pressing device is controlled through the pressure inside the air channel, and the pressure regulation inside the air channel is realized by the control circuit part; the flexibility of the pressing device is improved; the embodiment of the invention can adopt the air supply source of the air pump as power, and accurately achieve the action of the pressing device through the control circuit and the air path part, thereby realizing the remote passive control of the tested equipment in the electromagnetic compatibility test.
As shown in fig. 2, as a preferred embodiment, the working pump is provided with a pulse member 40, the air pipe 2 is provided with a pulse channel 20, the front end of the pulse channel 20 is movably connected with the pressing device 1, the pulse channel 20 is provided with the pulse member 40, and the pulse member 40 is at a certain distance from the rear end of the pressing device 1.
On the basis of selecting a pulse pneumatic power source device, the invention is provided with a more specific pulse device, the rear end of the pulse piece is a channel for controlling the pressure by the control device, the channel at the front end is a pulse channel, when the rear end of the pulse piece is set to be positive pressure, the pulse piece impacts forwards, the middle reset piece and the pressing device are pushed to press forwards, and the forward pressing of the system is realized.
Further, the working pump is provided with a reset piece 41, the reset piece 41 is a spring, the reset piece 41 is installed between the pulse piece 40 and the pressing device 1, one end of the reset piece 41 is fixedly connected with the pressing device 1, the other end of the reset piece 41 is a free end, and the pulse piece 40 is of a bullet structure.
According to the invention, after forward pressing is realized, the quick return of the pulse piece, the reset piece and the pressing device is considered, so that the reset piece is provided with the spring, and the spring can further reversely act on the return of the pulse piece through the characteristic of the spring when the pressing device returns, so that the quick return effect is realized, meanwhile, the spring can further shorten the acting distance and time of the pulse piece, reduce the work of pulse air pressure and improve the overall power and efficiency of the system.
As a preferred embodiment, the air tube 2 is provided with a return channel 21, and the working pump applies a continuous negative pressure to the return channel 21 for resetting the pulsed pressing device 1.
The invention is also provided with a negative pressure environment of the reset device on the basis of matching the pressing device and the pulse pneumatic power source device, and the negative pressure environment can be a constant negative pressure environment, so that the pressing device can rebound rapidly, the pressing operation is more coherent as a whole, a medium negative pressure rebound or reset device is further designed according to the negative pressure, the device is a channel with the negative pressure environment, and the device is connected with the pressing device, so that after the positive pulse is switched, the reset rebound can be carried out according to the negative pressure effect.
Further, the return channel 21 is provided with a deformation portion 210 at a side close to the pressing device 1.
On the basis of resetting the channel provided with the negative pressure environment, the deformation part is further added on the channel, so that the flexibility of deformation of the channel when the pressing device generates displacement is improved.
As shown in fig. 3 and 4, as a preferred embodiment, the working pump is provided with a gas valve 42 located on the gas pipe 2 and a gas pump 43 connected with the gas pipe 2, the gas valve 42 is connected with the control device 4, and the control device 4 controls the pulse gas pressure provided to the pulse channel 20 by the gas valve 42 and the gas pump 43 and the negative pressure provided to the reset channel 21.
The invention further increases the device-air valve for controlling the air pipe by the control device on the basis of selecting the pulse air pressure dynamic source device, wherein the control of the air valve comprises the control of the pulse channel and the control of the negative pressure channel, and the control of the negative pressure channel can be that the air pressure of the negative pressure channel is set at the beginning of the test to be communicated with the negative air pressure of the air pump device or the constant negative pressure source is connected; the control of the pulse channel can be a double-flow valve type valve control, namely, the control device controls the positive pressure air pressure source and the negative pressure air pressure source to provide pulse air pressure, or a cut-off valve, namely, the pulse channel is communicated with the positive pressure air pressure source, the control device controls whether the positive pressure air pressure source is intervened or the air pressure of the current channel is switched to be 0, and the 0 indicates that the positive pressure air pressure source is not connected or the external environment is connected.
As a preferred embodiment, the air pipe support device further comprises a support bracket 22 for supporting the air pipe, wherein the support bracket 22 is arranged in the isolation chamber, the support bracket 22 is provided with a telescopic rod 220, a fixing rod 221, a fastening screw 222, a fixing hole and a support base 223, the telescopic rod 220 and the fixing rod 221 are laid on the support base 223, the fixing rod 221 is provided with the fixing hole, the fixing rod 221 is of a hollow design, the telescopic rod 220 is movably connected with the hollow structure of the fixing rod 221, and the height adjustment of the telescopic rod 220 is realized, and the fastening screw 222 and the fixing hole are used for fixing the position of the telescopic rod 220.
As a preferred embodiment, an inward protruding stop is provided in the pulse channel, which stop is used to limit the distance that the pulse member 40 is reset.
As shown in fig. 1-4, a testing method using a fully automatic pneumatically controlled electromagnetic compatibility auxiliary testing system according to any of claims 1-4, comprising the steps of:
step S1: the tested equipment is placed in the electromagnetic isolation chamber, and the position of the pressing device 1 and the height of the air pipe 2 are adjusted.
Step S2: the electromagnetic isolation chamber is closed and the air pump 43 is activated by the control device 4.
Step S3: the control device 4 adjusts the positive pressure and the negative pressure of the air pipe 2 through controlling the switch of the air valve 42, forms the pulse air pressure of the pulse channel 40 and the negative pressure of the reset channel 41, and realizes the key pressing under the impact of the pulse air pressure through the pulse piece 40.
Further, after the pressing test is started, when the rear end channel of the pulse member 40 is set to be positive, the pulse member 40 pushes the reset member 41 forward, the pressing device 1 overcomes the negative pressure effect of the reset channel 21 to press forward by virtue of the actuation and negative pressure, the deformation part 210 deforms, after the pressing is finished, the pressure of the rear end channel of the pulse member 40 is set to be 0 or negative pressure by the control device 4, the pulse member 40 returns, the reset channel 21 provides continuous negative pressure effect, the pressing device 1 drives the reset member 41 to reset and drives the pulse member 40 to reset until the pressing device 1 abuts against the port of the pulse channel, and the spring reforms a free end, so that the pulse member 40 returns to the initial position and is prepared for the next pressing.
The method further exemplarily illustrates the working flow of the system designed by the invention, is different from a common air pressure control device, further increases a continuous negative pressure source, provides a quick and timely resetting method, and simultaneously, can further set the intensity difference between the pulse air pressure and the air pressure by combining the action of the pulse air pressure, provides a method with proper strength and intelligent bionic touch control, and can be expanded to various devices to realize intelligent test by applying the method.
Compared with the prior art, the invention has the following advantages:
1. remote passive control, no electromagnetic interference: in the auxiliary test process of the electromagnetic compatibility test, almost no electromagnetic interference is generated, the electromagnetic interference is avoided, and the accuracy and the repeatability of the test are ensured to the greatest extent;
2. the test is more intelligent, the test efficiency is improved, and for the projects which need to be tested for a long time in partial electromagnetic compatibility test, such as surge test, the scheme can realize the effect of releasing manpower and fully-automatic auxiliary test;
3. the key is convenient to replace, and a proper scheme can be customized according to the touch key requirements of different tested devices, so that the device is simple, convenient and quick.
It should be understood that the foregoing examples of the present invention are merely illustrative of the present invention and are not intended to limit the present invention to the specific embodiments thereof. Any modification, equivalent replacement, improvement, etc. that comes within the spirit and principle of the claims of the present invention should be included in the protection scope of the claims of the present invention.
Claims (5)
1. The full-automatic pneumatically controlled electromagnetic compatibility auxiliary test system is used for carrying out pressing test on tested equipment and comprises a pressing device (1), an air pipe (2), an electromagnetic isolation chamber (3) and a control device (4), wherein the pressing device (1) is positioned in the electromagnetic isolation chamber (3), one end of the air pipe (2) is connected with the pressing device (1), and the other end of the air pipe (2) penetrates through the electromagnetic isolation chamber (3) and is connected with the control device (4), and is characterized in that the control device (4) is further provided with a working pump, and is used for providing air pressure pulses to be transmitted through the air pipe (2) and act on the pressing device (1) and negative pressure to reset the pressing device (1), and the control device (4) realizes multiple/multiple groups of simulation switches by controlling the time and the frequency of the air pressure pulses;
the air pipe (2) is provided with a reset channel (21), and the working pump applies a continuous negative pressure to the reset channel (21) and is used for resetting the pressing device (1) after the pulse action;
a deformation part (210) is arranged on one side of the reset channel (21) close to the pressing device;
the working pump is provided with a pulse piece (40), the air pipe (2) is provided with a pulse channel (20), the front end of the pulse channel (20) is movably connected with the pressing device (1), the pulse channel (20) is internally provided with the pulse piece (40), and the pulse piece (40) is at a certain distance from the rear end of the pressing device (1);
the working pump is provided with a reset piece (41), the reset piece (41) is a spring, the reset piece (41) is installed between the pulse piece (40) and the pressing device (1), one end of the reset piece (41) is fixedly connected with the pressing device (1), the other end of the reset piece (41) is a free end, and the pulse piece (40) is of a bullet structure.
2. A fully automatic pneumatically controlled electromagnetic compatibility auxiliary test system according to claim 1, characterized in that the working pump is provided with a gas valve (42) located on the gas pipe (2), a gas pump (43) connected with the gas pipe (2), the gas valve (42) being connected with the control device (4), the control device (4) providing the pulse gas pressure to the pulse channel (20) and the negative pressure to the reset channel (21) by controlling the gas valve (42), the gas pump (43).
3. The fully automatic pneumatically controlled electromagnetic compatibility auxiliary test system according to any of claims 1-2, further comprising a support bracket (22) for supporting the air pipe, wherein the support bracket (22) is provided in the isolation chamber, the support bracket (22) is provided with a telescopic rod (220), a fixing rod (221), a fastening screw (222), a fixing hole and a support base (223), the telescopic rod (220) and the fixing rod (221) are laid on the support base (223), the fixing rod (221) is provided with a fixing hole, the fixing rod (221) is of a hollow design, the telescopic rod (220) is movably connected with the hollow structure of the fixing rod (221) for realizing the height adjustment of the telescopic rod (220), and the fastening screw (222) and the fixing hole are used for fixing the position of the telescopic rod (220).
4. A fully automatic pneumatically controlled electromagnetic compatibility auxiliary test system according to any of the claims 1-2 characterized in that an inwardly protruding stop means is arranged in the pulse channel for limiting the reset distance of the pulse member (40).
5. A testing method based on a fully automatic pneumatically controlled electromagnetic compatibility auxiliary testing system according to any of claims 1-4, characterized in that it comprises the following steps:
step S1: the tested equipment is placed in the electromagnetic isolation chamber, and the position of the pressing device (1) and the height of the air pipe (2) are adjusted;
step S2: the electromagnetic isolation chamber is sealed, and the air pump (43) is started through the control device (4);
step S3: the control device (4) regulates positive pressure and negative pressure of the air pipe (2) through a switch of the control air valve (42) to form pulse air pressure of the pulse piece (40) and negative pressure of the reset piece (41), and the key pressing is realized under the impact of the pulse air pressure through the pulse piece (40);
in said step S3, a step S30 is also included,
after the step S30 of pressing test is started, when the rear end channel of the pulse piece (40) is set by the control device (4) to be positive pressure, the pulse piece (40) pushes the reset piece (41) forwards, the pressing device (1) overcomes the negative pressure action of the reset channel (21) and presses forwards by promoting and negative pressure, the deformation part (210) is deformed, after the pressing is finished, the control device (4) sets the rear end channel pressure of the pulse piece (40) to be 0 or negative pressure environment, the pulse piece (40) returns, meanwhile, the reset channel (21) provides continuous negative pressure action, the pressing device (1) drives the reset piece (41) to reset and drives the pulse piece (40) to reset until the pressing device (1) abuts against the port of the pulse channel, and the spring reforms a free end, and resets to the initial position and prepares for the next pressing.
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154611A (en) * | 2006-09-29 | 2008-04-02 | 京元电子股份有限公司 | Electronic component taking device with penetrating mechanism |
| JP2009068916A (en) * | 2007-09-11 | 2009-04-02 | Mitsubishi Motors Corp | Vehicle testing apparatus |
| CN101509956A (en) * | 2009-03-20 | 2009-08-19 | 曹君 | Push button longevity detection device |
| CN102707706A (en) * | 2012-03-20 | 2012-10-03 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance testing system of vehicle body controller and testing method of system |
| CN107238759A (en) * | 2017-07-06 | 2017-10-10 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance method of testing and device for PEPS system vehicle |
| CN110193843A (en) * | 2019-06-27 | 2019-09-03 | 广东欧亚包装有限公司 | A kind of bottle grabbing device and its control method |
| CN212209262U (en) * | 2020-06-03 | 2020-12-22 | 山东省医疗器械产品质量检验中心 | Automatic key device for electromagnetic compatibility radiation immunity test |
-
2021
- 2021-03-10 CN CN202110260128.1A patent/CN112986739B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101154611A (en) * | 2006-09-29 | 2008-04-02 | 京元电子股份有限公司 | Electronic component taking device with penetrating mechanism |
| JP2009068916A (en) * | 2007-09-11 | 2009-04-02 | Mitsubishi Motors Corp | Vehicle testing apparatus |
| CN101509956A (en) * | 2009-03-20 | 2009-08-19 | 曹君 | Push button longevity detection device |
| CN102707706A (en) * | 2012-03-20 | 2012-10-03 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance testing system of vehicle body controller and testing method of system |
| CN107238759A (en) * | 2017-07-06 | 2017-10-10 | 奇瑞汽车股份有限公司 | Electromagnetic immunity performance method of testing and device for PEPS system vehicle |
| CN110193843A (en) * | 2019-06-27 | 2019-09-03 | 广东欧亚包装有限公司 | A kind of bottle grabbing device and its control method |
| CN212209262U (en) * | 2020-06-03 | 2020-12-22 | 山东省医疗器械产品质量检验中心 | Automatic key device for electromagnetic compatibility radiation immunity test |
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